v3.25.4
Derivatives - Summary (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivatives    
Derivative financial assets $ 2,847.1 $ 1,574.8
Derivative financial liabilities 786.9 356.9
Equity derivative contracts    
Derivatives    
Notional amount 6,186.4 4,156.1
Cost 269.8 140.5
Derivative financial assets 2,090.2 1,121.2
Derivative financial liabilities 1.4 0.4
Foreign currency derivative contracts    
Derivatives    
Cost   3.1
Derivative financial assets 51.1 204.2
Derivative financial liabilities 147.4 134.3
Other derivative contracts    
Derivatives    
Cost 135.7 137.3
Derivative financial assets 705.8 249.4
Derivative financial liabilities $ 638.1 $ 222.2